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(a) Four‐dimensional B‐ultrasound results showed that when the fetal finger was opened, the finger showed obvious contracture symptoms and could not stretch freely; (b) the picture of the fetus after induction of labor: the fetus hands and feet are abnormal; (c) photograph of the fetal hand: (d) the abnormality of the fetal hand folds, with contracture symptoms; (e) skeletal muscle images of the fetus observed under an electron microscope at 10,000 times.
